Marking for knife pleats. The knife pleat is considered to be the most basic pleat. You create a fold in the fabric at a predetermined width, and press in one direction on the right side of the fabric. Unlike other types of pleats, knife pleats always travel in a gang.
Wiktionary (0.00 / 0 votes) Rate this definition: transient (Noun). Something which is transient. transient (Noun). A transient phenomenon, especially an electric current; a very brief surge.
Both terms describe disturbances in some medium. Wave usually refers to a continuous disturbance. Like if you grab hold of spring and shake it back and forth a lot. Pulse, on the other hand, often refers to some type of one-time disturbance. Like shaking the spring only once.